| Riverton to Arcos de Valdevez | 5,008.87 mi (8,061.00 km) |
| Riverton to Arcozelo | 5,034.61 mi (8,102.42 km) |
| Riverton to Arganil | 5,095.12 mi (8,199.80 km) |
| Riverton to Arouca | 5,055.85 mi (8,136.61 km) |
| Riverton to Arruda dos Vinhos | 5,108.05 mi (8,220.61 km) |
| Riverton to Aveiro | 5,052.67 mi (8,131.49 km) |
| Riverton to Aver-o-Mar | 5,014.18 mi (8,069.55 km) |
| Riverton to Aves | 5,031.42 mi (8,097.29 km) |
| Riverton to Azambuja | 5,112.65 mi (8,228.01 km) |
| Riverton to Baiao | 5,054.11 mi (8,133.81 km) |
| Riverton to Barcelos | 5,015.38 mi (8,071.47 km) |
| Riverton to Barreiro | 5,121.98 mi (8,243.04 km) |
| Riverton to Batalha | 5,089.72 mi (8,191.12 km) |
| Riverton to Beja | 5,199.24 mi (8,367.37 km) |
| Riverton to Belas | 5,108.69 mi (8,221.63 km) |
